General Site Information
Site ID:US-Ho2
Site Name:Howland Forest (west tower)
Tower Team: PI: David Hollinger <David.Hollinger@unh.edu> - USDA Forest Service
Latitude:45.2091
Longitude:-68.7470
Elevation (m):91
NetworkAmeriFlux
IGBP:ENF (Evergreen Needleleaf Forests)
Climate Koeppen:Dfb (Warm Summer Continental: significant precipitation in all seasons )
Mean Annual Temperature (degrees C):5.13
Mean Annual Precipitation (mm):1064
Data Products: AmeriFlux BASE Dataset
FLUXNET LaThuile Dataset
Data Availability: AmeriFlux BASE:   11 years (Duration: 1999 - 2009)
FLUXNET LaThuile:   6 years (Duration: 1999 - 2004)
Data Downloads to Date: AmeriFlux BASE:   175 unique downloads
FLUXNET LaThuile:   234 unique downloads
Data DOIs: AmeriFlux BASE DOI: 10.17190/AMF/1246062
Description:Closed conifer forest, minimal disturbance. References: Fernandez et al. (1993), Canadian Journal of Soil Science 73 317-328. Hollinger et al. (1999), Global Change Biology 5: 891-902. Savage KE, Davidson EA (2001), Global Biogeochemical Cycles 15 337-350. Scott et al. (2004), Environmental Management, Vol. 33, Supplement 1, pp. S9-S22. Hollinger et al. (2004), Global Change Biology 10: 1689-1706.
Site image(s):
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Publications relevant to understanding the site
BibliographyUsage
Andrew D. Richardson; David Y. Hollinger. 2005. Statistical modeling of ecosystem respiration using eddy covariance data: Maximum likelihood parameter estimation, and Monte Carlo simulation of model and parameter uncertainty, applied to three simple modelsAgricultural and Forest Meteorology. 131:3-4, 191-208. Reference
E. A. Davidson; A. D. Richardson; K. E. Savage; D. Y. Hollinger. 2006. A distinct seasonal pattern of the ratio of soil respiration to total ecosystem respiration in a spruce-dominated forestGlobal Change Biology. 12:2, 230-239. Reference
P. E. Thornton; B.E. Law; H. L. Gholz; K. L. Clark; E. Falge; D. S. Ellsworth; A. H. Goldstein; R. K. Monson; D. Hollinger; M. Falk; J. Chen; J. P. Sparks. 2002. Modeling and measuring the effects of disturbance history and climate on carbon and water budgets in evergreen needleleaf forestsAgricultural and Forest Meteorology. 113:1-4, 185-222. Reference
X. M. Xiao; D. Hollinger; J. Aber; M. Goltz; E. A. Davidson; Q. Y. Zhang; B. Moore. 2004. Satellite-based modeling of gross primary production in an evergreen needleleaf forestRemote Sensing of Environment. 89:4, 519-534. Reference
X. M. Xiao; Q. Y. Zhang; D. Hollinger; J. Aber; B. Moore. 2005. Modeling gross primary production of an evergreen needleleaf forest using modis and climate dataEcological Applications. 15:3, 954-969. Reference

These pages show the current information available at http://ameriflux.lbl.gov about this tower.
**Site Team Only** If any of this information is wrong or missing, please submit corrections and updates via http://ameriflux.lbl.gov/web-submit-ui/?site_id=US-Ho2